1 files changed, 112 insertions, 0 deletions
diff --git a/src/versionstr.h b/src/versionstr.h
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+++ b/src/versionstr.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            versionstr.h
+ *
+ *  Wed Jul 22 11:41:32 CEST 2009
+ *  Copyright 2009 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#ifndef __PRACRO_VERSIONSTR_H__
+#define __PRACRO_VERSIONSTR_H__
+
+#include <string>
+
+// Workaround - major, minor and patch are defined as macros when using _GNU_SOURCES
+#ifdef major
+#undef major
+#endif
+#ifdef minor
+#undef minor
+#endif
+#ifdef patch
+#undef patch
+#endif
+
+/**
+ * VersionStr class.
+ * It hold a version number and is capable of correct sorting, as well as string 
+ * conversion both ways.
+ */
+class VersionStr {
+public:
+  /**
+   * Constructor.
+   * Throws an exeption if the string does not parse.
+   * @param v A std::string containing a version string on the form a.b or a.b.c
+   */
+  VersionStr(std::string v) throw(const char *);
+
+  /**
+   * Constructor.
+   * @param major A size_t containing the major version number.
+   * @param minor A size_t containing the minor version number.
+   * @param patch A size_t containing the patch level.
+   */
+  VersionStr(size_t major = 0, size_t minor = 0, size_t patch = 0);
+
+  /**
+   * Typecast to std::string operator.
+   * It simply converts the version numbers into a string of the form major.minor
+   * (if patch i 0) or major.minor.patch
+   */
+  operator std::string() const;
+
+  /**
+   * Assignment from std::string operator.
+   * Same as in the VersionStr(std::string v) constructor.
+   * Throws an exeption if the string does not parse.
+   */
+  void operator=(std::string v) throw(const char *);
+
+  /**
+   * Comparison operator.
+   * The version objects are sorted according to their major, minor and patch
+   * level numbers.
+   */
+  bool operator<(const VersionStr &other) const;
+  bool operator==(const VersionStr &other) const;
+  bool operator>(const VersionStr &other) const;
+  bool operator>=(const VersionStr &other) const;
+  bool operator<=(const VersionStr &other) const;
+
+
+  /**
+   * @return Major version number.
+   */
+  size_t major() const;
+
+  /**
+   * @return Minor version number.
+   */
+  size_t minor() const;
+
+  /**
+   * @return Patch level.
+   */
+  size_t patch() const;
+
+private:
+  void set(std::string v) throw(const char *);
+  size_t version[3];
+};
+
+#endif/*__PRACRO_VERSIONSTR_H__*/